AMD Ryzen 7 8840U vs AMD Ryzen 5 8540U

Comparative analysis of AMD Ryzen 7 8840U and AMD Ryzen 5 8540U processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD Ryzen 7 8840U

AMD Ryzen 5 8540U

Differences

Reasons to consider the AMD Ryzen 7 8840U

2 more cores, run more applications at once: 8 vs 6
4 more threads: 16 vs 12
Around 4% higher clock speed: 5.1 GHz vs 4.9 GHz
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 26% better performance in PassMark - CPU mark: 23669 vs 18731

Specifications (specs)
Number of cores	8 vs 6
Number of threads	16 vs 12
Maximum frequency	5.1 GHz vs 4.9 GHz
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	1 MB (per core) vs 1 MB (per core)
Benchmarks
PassMark - CPU mark	23669 vs 18731

Reasons to consider the AMD Ryzen 5 8540U

Around 2% better performance in PassMark - Single thread mark: 3720 vs 3643

Benchmarks
PassMark - Single thread mark	3720 vs 3643

Compare benchmarks

CPU 1: AMD Ryzen 7 8840U
CPU 2: AMD Ryzen 5 8540U

PassMark - Single thread mark

CPU 1

CPU 2

3643

3720

PassMark - CPU mark

CPU 1

CPU 2

23669

18731

Name	AMD Ryzen 7 8840U	AMD Ryzen 5 8540U
PassMark - Single thread mark	3643	3720
PassMark - CPU mark	23669	18731

Compare specifications (specs)

	AMD Ryzen 7 8840U	AMD Ryzen 5 8540U
Essentials
Launch date	6 Dec 2023	6 Dec 2023
Place in performance rating	287	309
Performance
Base frequency	3.3 GHz	3.2 GHz
Die size	178 mm²	137 mm²
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	1 MB (per core)	1 MB (per core)
L3 cache	16 MB (shared)	16 MB (shared)
Manufacturing process technology	4 nm	4 nm
Maximum core temperature	100°C	100°C
Maximum frequency	5.1 GHz	4.9 GHz
Number of cores	8	6
Number of threads	16	12
Transistor count	25,000 million	20,900 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5	DDR5
Compatibility
Configurable TDP	15-30 Watt	15-30 Watt
Max number of CPUs in a configuration	1	1
Sockets supported	FP8	FP7
Thermal Design Power (TDP)	28 Watt	28 Watt
Peripherals
PCIe configurations	Gen 4, 20 Lanes, (CPU only)	Gen 4, 14 Lanes, (CPU only)